Emerging-Market Engines Falter

Fresh signs of economic weakness in Brazil are adding to a growing worry for the global economy: that the emerging markets that have boosted growth in recent years are slowing.

That is a big concern amid the drag of the European debt crisis and a sluggish U.S. recovery. Brazil, China, Russia, India and South Africa are among the dynamic economies that helped the world bounce back from the 2008 financial crisis.